Remove unnecessary comme in webgl_extrude_shape2

examples/webgl_geometry_extrude_shapes2.html

@@ -292,7 +292,7 @@ var addGeoObject = function( group, svgObject ) {
 		color = new THREE.Color( theColors[i] ); 
 		material = new THREE.MeshLambertMaterial({
 			color: color,
-			emissive: color,
+			emissive: color
 		});
 		amount = theAmounts[i];
 		simpleShapes = path.toShapes(true);